Locking four-tab



FIG. 1 is a front plan view of a locking four-tab, showing my newdesign;

FIG. 2 is a rear plan view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top elevational view thereof; and,

FIG. 6 is a bottom elevational view thereof.

CLAIM The ornamental design for locking four-tab, as shown anddescribed.